[FFmpeg-devel] [PATCH] lavf: inspect more frames when the time base is unreliable

Luca Barbato lu_zero
Sat Jan 29 10:43:49 CET 2011

On 01/29/2011 05:45 AM, M?ns Rullg?rd wrote:
> Anssi Hannula <anssi.hannula at iki.fi> writes:
>> 23.976 fps H.264 Matroska files are usually detected as 24 fps
>> (r_frame_rate) by av_find_stream_info(). Fix that by inspecting the
>> timestamps of 30 frames instead of just 20 for video codecs with
>> unreliable time base.
> In my experience most matroska files have correct timing information
> in the headers.  It sounds me more like the "clever" estimation code
> is hallucinating inaccuracies where none exist.

Might be worth look at the file and see why that happens.



Luca Barbato

More information about the ffmpeg-devel mailing list